So far I have seen:
Coldwater Creek, 40% off everything
Ann Taylor, 30% off regular price items, additional markdowns on sale items
Lands End, free shipping on regular price items
Boden, additional markdowns on clearance items up to 80%
Lucky Brand, 25% off everything and free shipping
Eddie Bauer, 'everything' on sale, free shipping over $99
Bare Necessities, free shipping & returns and $20 off a $99 purchase